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Finding the Fourth Proportional to 36,999.84, 51,053.12 and 21,884.98

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Solution

The fourth proportional to 36,999.84, 51,053.12 and 21,884.98 is: 30,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,999.84 : 51,053.12 = 21,884.98 : x
  2. Step 2: Convert to fraction form
    36,999.84/51,053.12 = 21,884.98/x
  3. Step 3: Cross multiply
    36,999.84x = 51,053.12 × 21,884.98
  4. Step 4: Simplify right side
    36,999.84x = 1,117,296,510.14
  5. Step 5: Solve for x
    x = 1,117,296,510.14/36,999.84
  6. Step 6: Final answer
    x = 30,197.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.